diff options
| author | Tariq Toukan <tariqt@nvidia.com> | 2023-04-17 15:18:55 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-04-19 10:59:26 +0300 |
| commit | 7fc06dd2ae7b42fc5093f76878b77c74006b4fd5 (patch) | |
| tree | f967882347ff137f111e8d8b4dceb7cad3a55a51 | |
| parent | c1783e74fc042adc28907ac7229b01ed20da31f9 (diff) | |
| download | linux-7fc06dd2ae7b42fc5093f76878b77c74006b4fd5.tar.xz | |
net/mlx5e: XDP, Improve Striding RQ check with XDP
Non-linear mem scheme of Striding RQ does not yet support XDP at this
point. Take the check where it belongs, inside the params validation
function mlx5e_params_validate_xdp().
Reviewed-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index ccf7bb136f50..faae443770bb 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -4261,8 +4261,16 @@ static bool mlx5e_params_validate_xdp(struct net_device *netdev, /* No XSK params: AF_XDP can't be enabled yet at the point of setting * the XDP program. */ - is_linear = mlx5e_rx_is_linear_skb(mdev, params, NULL); + is_linear = params->rq_wq_type == MLX5_WQ_TYPE_CYCLIC ? + mlx5e_rx_is_linear_skb(mdev, params, NULL) : + mlx5e_rx_mpwqe_is_linear_skb(mdev, params, NULL); + /* XDP affects striding RQ parameters. Block XDP if striding RQ won't be + * supported with the new parameters: if PAGE_SIZE is bigger than + * MLX5_MPWQE_LOG_STRIDE_SZ_MAX, striding RQ can't be used, even though + * the MTU is small enough for the linear mode, because XDP uses strides + * of PAGE_SIZE on regular RQs. + */ if (!is_linear && params->rq_wq_type != MLX5_WQ_TYPE_CYCLIC) { netdev_warn(netdev, "XDP is not allowed with striding RQ and MTU(%d) > %d\n", params->sw_mtu, @@ -4817,19 +4825,6 @@ static int mlx5e_xdp_set(struct net_device *netdev, struct bpf_prog *prog) new_params = priv->channels.params; new_params.xdp_prog = prog; - /* XDP affects striding RQ parameters. Block XDP if striding RQ won't be - * supported with the new parameters: if PAGE_SIZE is bigger than - * MLX5_MPWQE_LOG_STRIDE_SZ_MAX, striding RQ can't be used, even though - * the MTU is small enough for the linear mode, because XDP uses strides - * of PAGE_SIZE on regular RQs. - */ - if (reset && MLX5E_GET_PFLAG(&new_params, MLX5E_PFLAG_RX_STRIDING_RQ)) { - /* Checking for regular RQs here; XSK RQs were checked on XSK bind. */ - err = mlx5e_mpwrq_validate_regular(priv->mdev, &new_params); - if (err) - goto unlock; - } - old_prog = priv->channels.params.xdp_prog; err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, reset); |